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Electronics Worksheet: What Is a Microcontroller

Electronics lesson 21: What is a microcontroller? · Set 67 · 40 questions
TalentJR

Remember (One chip, one job): Microcontroller = processor + memory + input/output pins on one chip. Board parts: USB port (power and code), pins, reset button, power LED, main chip, voltage regulator. Write the program → upload over USB → it runs its loop for ever; power by USB or a small battery.

NameDateTime takenScore ___ / 40
  1. 1.🤖 Microcontroller or laptop: which one has no screen of its own? (a) microcontroller (b) laptop
  2. 2.True or false: a digital thermometer has no microcontroller inside. (a) True (b) False
  3. 3.🤖 Microcontroller or laptop: which one runs one small program? (a) laptop (b) microcontroller
  4. 4.Which of these usually has a microcontroller inside? (a) a candle (b) a washing machine (c) a bicycle bell (d) a wind-up toy
  5. 5.🤖 What is a microcontroller? (a) a computer on one chip (b) a type of battery (c) a kind of bulb (d) a big desktop computer
  6. 6.🧭 Which part of a microcontroller board restarts the program? (a) the main chip (b) the power LED (c) the reset button (d) the voltage regulator
  7. 7.True or false: a microwave oven has no microcontroller inside. (a) False (b) True
  8. 8.🤖 Does a washing machine usually have a microcontroller inside? (a) No (b) Yes
  9. 9.Which of these has no microcontroller inside? (a) a microwave oven (b) a TV remote (c) a candle (d) a digital alarm clock
  10. 10.🤖 Microcontroller or laptop: which one runs many apps at once? (a) microcontroller (b) laptop
  11. 11.🤖 Does a TV remote usually have a microcontroller inside? (a) Yes (b) No
  12. 12.True or false: a smart watch has no microcontroller inside. (a) False (b) True
  13. 13.🤖 Does a microwave oven usually have a microcontroller inside? (a) No (b) Yes
  14. 14.🤖 How does a new program get onto a microcontroller board? (a) sent by sound (b) drawn with a pen (c) typed on the chip (d) uploaded over USB
  15. 15.Which of these usually has a microcontroller inside? (a) a plain wall switch (b) a smart watch (c) a wind-up toy (d) a bicycle bell
  16. 16.🧭 Which part of a microcontroller board shows the board is on? (a) the reset button (b) the pins (c) the power LED (d) the voltage regulator
  17. 17.Which job is done by the pins? (a) connect sensors and LEDs (b) brings power and code (c) restarts the program (d) shows the board is on
  18. 18.Which of these usually has a microcontroller inside? (a) a toy robot (b) a bicycle bell (c) a wind-up toy (d) a spinning top
  19. 19.Which job is done by the voltage regulator? (a) restarts the program (b) shows the board is on (c) keeps the voltage steady (d) runs the program
  20. 20.True or false: a plain wall switch has no microcontroller inside. (a) True (b) False
  21. 21.🤖 Does a smart watch usually have a microcontroller inside? (a) Yes (b) No
  22. 22.Which job is done by the USB port? (a) keeps the voltage steady (b) runs the program (c) connect sensors and LEDs (d) brings power and code
  23. 23.Which job is done by the power LED? (a) keeps the voltage steady (b) connect sensors and LEDs (c) runs the program (d) shows the board is on
  24. 24.🤖 Does a hand pump usually have a microcontroller inside? (a) No (b) Yes
  25. 25.Which of these has no microcontroller inside? (a) a digital thermometer (b) a washing machine (c) a wind-up toy (d) a TV remote
  26. 26.True or false: a digital alarm clock usually has a microcontroller inside. (a) False (b) True
  27. 27.Which of these usually has a microcontroller inside? (a) a bicycle bell (b) a microwave oven (c) a candle (d) a spinning top
  28. 28.🤖 Microcontroller or laptop: which one has a built-in keyboard? (a) laptop (b) microcontroller
  29. 29.🤖 Which is a safe power source for a beginner microcontroller board? (a) bare mains wires (b) a 230 V cable (c) a wall socket directly (d) USB or a 9 V battery
  30. 30.True or false: a microcontroller runs one small program. (a) False (b) True
  31. 31.True or false: a toy robot usually has a microcontroller inside. (a) False (b) True
  32. 32.🤖 Does a wind-up toy usually have a microcontroller inside? (a) Yes (b) No
  33. 33.🤖 Where does the board keep its program when the power is off? (a) the resistor (b) flash memory (c) the USB cable (d) the power LED
  34. 34.True or false: a spinning top usually has a microcontroller inside. (a) False (b) True
  35. 35.True or false: a washing machine usually has a microcontroller inside. (a) True (b) False
  36. 36.🤖 Does a digital alarm clock usually have a microcontroller inside? (a) No (b) Yes
  37. 37.Which job is done by the reset button? (a) restarts the program (b) runs the program (c) shows the board is on (d) connect sensors and LEDs
  38. 38.Which of these has no microcontroller inside? (a) a smart watch (b) a spinning top (c) a washing machine (d) a digital alarm clock
  39. 39.Which job is done by the main chip? (a) shows the board is on (b) runs the program (c) connect sensors and LEDs (d) brings power and code
  40. 40.🤖 Does a bicycle bell usually have a microcontroller inside? (a) Yes (b) No

Answer key

  1. microcontroller
  2. False
  3. microcontroller
  4. a washing machine
  5. a computer on one chip
  6. the reset button
  7. False
  8. Yes
  9. a candle
  10. laptop
  11. Yes
  12. False
  13. Yes
  14. uploaded over USB
  15. a smart watch
  16. the power LED
  17. connect sensors and LEDs
  18. a toy robot
  19. keeps the voltage steady
  20. True
  21. Yes
  22. brings power and code
  23. shows the board is on
  24. No
  25. a wind-up toy
  26. True
  27. a microwave oven
  28. laptop
  29. USB or a 9 V battery
  30. True
  31. True
  32. No
  33. flash memory
  34. False
  35. True
  36. Yes
  37. restarts the program
  38. a spinning top
  39. runs the program
  40. No

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